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Summary of Significant Accounting Policies - Reverse Stock Split (Details)
0 Months Ended
Jul. 30, 2012
Dec. 31, 2013
Feb. 04, 2013
Dec. 31, 2012
Significant Accounting Policies [Line Items]        
Stockholders' Equity Note, Stock Split, Conversion Ratio 40      
Common stock, shares authorized (shares)   100,000,000 100,000,000 100,000,000
Stockholders' equity, reverse stock split All current and historical information contained herein related to the share and per share information for the Company's common stock or stock equivalents issued on or after May 12, 2011 reflects the 1-for-40 reverse stock split of the Company's outstanding shares of common stock that became market effective on August 1, 2012.      
Scenario, Previously Reported [Member]
       
Significant Accounting Policies [Line Items]        
Common stock, shares authorized (shares) 500,000,000      
Reverse Stock Split [Member]
       
Significant Accounting Policies [Line Items]        
Common stock, shares authorized (shares) 12,500,000